Quote Originally Posted by Azélor View Post
not necessarily because temperature inversion tends to play a big role especially in polar latitudes : http://slideplayer.com/slide/5233026/
For example, the mountains of Eastern Siberia are warmer than the plain below them.
Well, they're warmer in winter (not in summer). The Siberian mountains still have glaciers whereas the lowlands do not, so I wouldn't necessarily describe them as warmer overall.